midware_ws/NetLib/IVR/CellSocket.cpp

#include "StdAfx.h"
#include "CellSocket.h"
#include "IvrFlow.h"
#include "FlowDataProvider.h"
#include "MarkupSTL.h"

using namespace std;


IMPLEMENT_CELL_AUTOCREATE(CCellSocket, CELL_NAME_SOCKET)

CCellSocket::CCellSocket(void) : m_FarPort(0), m_TimeOut(0), m_SuccessPos(0), m_FailPos(0)
{
}

CCellSocket::CCellSocket( CCellSocket & cellSocket ) : CCellBase(cellSocket)
{
	POSITION pos = cellSocket.m_InputVarList.GetHeadPosition();
	while(pos != NULL)
	{
		InputVarInfo *pVarInfo = cellSocket.m_InputVarList.GetNext(pos);
		ASSERT(pVarInfo != NULL);

		InputVarInfo *pVarInfoTmp =  new InputVarInfo(*pVarInfo);
		ASSERT(pVarInfoTmp != NULL);		
		m_InputVarList.AddTail(pVarInfoTmp);
	}

	for (int i = 0; i < cellSocket.m_OutputVarList.GetSize(); ++i)
	{
		ASSERT(cellSocket.m_OutputVarList[i].GetLength() != 0);
		m_OutputVarList.Add(cellSocket.m_OutputVarList[i]);
	}

	m_OpType = cellSocket.m_OpType;
	m_FarAddr = cellSocket.m_FarAddr;
	m_FarPort = cellSocket.m_FarPort;
	m_TimeOut = cellSocket.m_TimeOut;
	m_SuccessPos = cellSocket.m_SuccessPos;
	m_FailPos = cellSocket.m_FailPos;
}

CCellSocket::~CCellSocket(void)
{
	__release();
}

/*****************************************************************
**【函数名称】	__release
**【函数功能】	释放资源
**【参数】		
**【返回值】	
****************************************************************/
void CCellSocket::__release(void)
{
	InputVarInfo*  pInputVarInfo = NULL;
	while (!m_InputVarList.IsEmpty())
	{
		pInputVarInfo = m_InputVarList.RemoveHead();
		delete pInputVarInfo;
		pInputVarInfo = NULL;
	}
}

/*****************************************************************
**【函数名称】	__formatInputVar
**【函数功能】	格式化输入字符串
**【参数】		
**【返回值】	
****************************************************************/
int CCellSocket::__formatInputVar( char* InputText )
{
	CMarkupSTL XmlInput;

	XmlInput.AddElem(SOCKET_INPUT_PREFIX);
	XmlInput.AddAttrib(SOCKET_INPUT_OP_TYPE, m_OpType);

	int i = 1;
	CString VarName;
	CString VarValue;
	POSITION Pos = m_InputVarList.GetHeadPosition();
	while(Pos != NULL)
	{
		InputVarInfo* pVarInfo = m_InputVarList.GetNext(Pos);
		ASSERT(pVarInfo != NULL);

		if(pVarInfo->VarType == CELL_DATA_VAR)
		{
			if(!m_pIvrFlow->findVarValue(pVarInfo->szVarValue, VarValue))
			{
				CString Info;
				_getCellInfo(Info);
				ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错，变量[%s]未找到对应值"), Info, pVarInfo->szVarValue);
			}
		}
		else
		{
			VarValue = pVarInfo->szVarValue;
		}

		VarName.Format(_T("%s%d"), SOCKET_VAR_PREFIX, i++);
		XmlInput.AddChildElem(VarName, VarValue);
	}

	lstrcpy(InputText, XmlInput.GetDoc().c_str());

	return XmlInput.GetDoc().length();
}

/*****************************************************************
**【函数名称】	__analyzeOutputVar
**【函数功能】	解析输出字符串
**【参数】		
**【返回值】	
****************************************************************/
bool CCellSocket::__analyzeOutputVar( char* OutputText )
{
	CMarkupSTL XmlOutput;
	if(!XmlOutput.SetDoc(OutputText))
	{
		CString Info;
		_getCellInfo(Info);
		ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错，无法加载网络返回数据, Data = %s"), Info, OutputText);
		return false;
	}

	if(!XmlOutput.FindElem(SOCKET_OUTPUT_PREFIX))
	{
		CString Info;
		_getCellInfo(Info);
		ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错，无法解析网络返回数据, Data = %s"), Info, OutputText);
		return false;
	}
	
	CString Element;
	Element = XmlOutput.GetAttrib(SOCKET_INPUT_OP_TYPE).c_str();
	if(Element != m_OpType)
	{
		CString Info;
		_getCellInfo(Info);
		ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错，网络返回的操作类型[%s]与当前类型[%s]不匹配"), Info, Element, m_OpType);
		return false;
	}

	for(int i = 0; i < m_OutputVarList.GetSize(); ++i)
	{
		Element.Format(_T("%s%d"), SOCKET_VAR_PREFIX, i + 1);
		if(XmlOutput.FindChildElem(Element))
		{
			XmlOutput.IntoElem();
			m_pIvrFlow->addVar(m_OutputVarList[i],  XmlOutput.GetData().c_str());
			XmlOutput.OutOfElem();			
		}
		else
		{
			CString Info;
			_getCellInfo(Info);
			ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错，无法在网络数据中定位字段[%s], Data = %s"), Info, Element, OutputText);
			return false;
		}
	}

	return true;
}

/*****************************************************************
**【函数名称】	__wait4Recv
**【函数功能】	等候接收网络数据
**【参数】		
**【返回值】	
****************************************************************/
bool CCellSocket::__wait4Recv(SOCKET Sock)
{
	struct timeval tv;
	fd_set fds;

	FD_ZERO(&fds);
	FD_SET(Sock, &fds);

	tv.tv_sec = m_TimeOut;
	tv.tv_usec = 0;
	
	int res = select(0, &fds, NULL, NULL, &tv);
	if(res > 0)
		return FD_ISSET(Sock, &fds) > 0 ? true : false;
	else
		return false;
}

/*****************************************************************
**【函数名称】	addInputVar
**【函数功能】	添加输入变量
**【参数】		
**【返回值】	
****************************************************************/
void CCellSocket::addInputVar( int VarType, const CString& VarVal )
{
	InputVarInfo *pInputVar =  new InputVarInfo(VarType, VarVal);
	ASSERT(pInputVar != NULL);

	m_InputVarList.AddTail(pInputVar);
}

/*****************************************************************
**【函数名称】	Operate
**【函数功能】	节点执行函数
**【参数】		
**【返回值】	下一个节点编号
****************************************************************/
int CCellSocket::operate( void )
{
	if(m_pIvrFlow == NULL) 
		return CELL_OP_ERROR;

	CString Info;
	_getCellInfo(Info);
	ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_NORMAL, _T("{Cell}: 开始执行[%s]"), Info);

	SOCKET Sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	if(Sock == INVALID_SOCKET)
	{
		ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错, 初始化套接字失败"), Info);
		return m_FailPos;
	}

	CHAR Buffer[VAR_LEN] = { 0 };
	int Len = __formatInputVar(Buffer);

	SOCKADDR_IN AddrFar;
	AddrFar.sin_family = AF_INET;
	AddrFar.sin_port = htons(m_FarPort);
	inet_pton(AF_INET, m_FarAddr, &(AddrFar.sin_addr));
	if(AddrFar.sin_addr.s_addr == INADDR_NONE)
	{
		hostent* pHost = gethostbyname(m_FarAddr);
		if(pHost == NULL)
		{
			closesocket(Sock);
			ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错, 远端地址异常, FarAddr = %s"), Info, m_FarAddr);
			return m_FailPos;
		}
		memcpy((char*)&AddrFar.sin_addr, pHost->h_addr, pHost->h_length);
	}

	int AddrLen = sizeof(SOCKADDR);
	Len = sendto(Sock, Buffer, Len, 0, (SOCKADDR*)&AddrFar, AddrLen) ;
	if(Len == SOCKET_ERROR)
	{
		closesocket(Sock);
		ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错, 发送通讯数据失败, ErrCode = %d"), Info, WSAGetLastError());
		return m_FailPos;
	}

	if(!__wait4Recv(Sock))
	{
		closesocket(Sock);
		ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错, 接收数据超时"), Info);
		return m_FailPos;
	}

	ZeroMemory(Buffer, VAR_LEN);
	ZeroMemory(&AddrFar, sizeof(AddrFar));
	Len = recvfrom(Sock, Buffer, VAR_LEN, 0, (SOCKADDR*)&AddrFar, &AddrLen);
	if(Len <= 0)
	{
		ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_WARNING, _T("{Cell}: 执行[%s]出错, 接收数据失败, ErrCode = %d"), Info, WSAGetLastError());
		closesocket(Sock);
		return m_FailPos;
	}

	closesocket(Sock);

	Buffer[Len] = 0;
	if(!__analyzeOutputVar(Buffer))
		return m_FailPos;
	else
		return m_SuccessPos;
}

/*****************************************************************
**【函数名称】	copy
**【函数功能】	拷贝自身
**【参数】		
**【返回值】	拷贝副本
****************************************************************/
CCellBase * CCellSocket::copy( void )
{
	CCellBase *pCellBase = new CCellSocket(*this);
	return pCellBase;
}

/*****************************************************************
**【函数名称】	fillData
**【函数功能】	节点解析,填充数据
**【参数】		Provider：数据提供器
**【返回值】	成功true，失败false
****************************************************************/
bool CCellSocket::fillData( IFlowDataProvider& Provider )
{
	CString Data;

	do 
	{
		if(!Provider.getData(CELL_ATTRIBUTE_POS, Data))
		{
			Data = _T("节点号");
			break;
		}
		else
		{
			sscanf_s(Data, _T("%d"), &m_Pos);
			if(m_Pos < 1)
			{
				Data = _T("节点号");
				break;
			}
		}

		if(!Provider.getData(CELL_ATTRIBUTE_OP_TYPE, m_OpType))
		{
			Data = _T("操作类型标识");
			break;
		}

		if(!Provider.getData(CELL_ATTRIBUTE_FAR_IP, m_FarAddr))
		{
			Data = _T("远端IP");
			break;
		}

		if(!Provider.getData(CELL_ATTRIBUTE_FAR_PORT, Data))
		{
			Data = _T("远端端口");
			break;
		}
		else
		{
			sscanf_s(Data, _T("%d"), &m_FarPort);
			if(m_FarPort <= 0)
			{
				Data = _T("远端端口");
				break;
			}
		}

		if(!Provider.getData(CELL_ATTRIBUTE_RECV_TIME_OUT, Data))
		{
			Data = _T("接收超时");
			break;
		}
		else
		{
			sscanf_s(Data, _T("%d"), &m_TimeOut);
			if(m_TimeOut <= 0)
			{
				Data = _T("接收超时");
				break;
			}
		}

		if(!Provider.getData(CELL_ATTRIBUTE_SUCCESS_POS, Data))
		{
			Data = _T("成功跳转节点");
			break;
		}
		else
		{
			sscanf_s(Data, _T("%d"), &m_SuccessPos);
			if(m_SuccessPos < 0)
			{
				Data = _T("成功跳转节点");
				break;
			}
		}

		if(!Provider.getData(CELL_ATTRIBUTE_FAIL_POS, Data))
		{
			Data = _T("失败跳转节点");
			break;
		}
		else
		{
			sscanf_s(Data, _T("%d"), &m_FailPos);
			if(m_FailPos < 0)
			{
				Data = _T("失败跳转节点");
				break;
			}
		}

		Data.Format(_T("%s[@%s='%d']/%s"), XPATH_CELL, CELL_ATTRIBUTE_POS, m_Pos, FLOW_SUB_NODE_SOCK_INPUT);
		if(!Provider.getFlowSocketInputVar(Data, *this))
		{
			Data = _T("输入变量");
			break;
		}

		Data.Format(_T("%s[@%s='%d']/%s"), XPATH_CELL, CELL_ATTRIBUTE_POS, m_Pos, FLOW_SUB_NODE_SOCK_OUTPUT);
		if(!Provider.getDataSet(Data, CELL_ATTRIBUTE_VAR, m_OutputVarList))
		{
			Data = _T("输出变量");
			break;
		}

		Provider.getData(CELL_ATTRIBUTE_NOTE, m_Note);

		return true;

	} while (false);

	ILogger::getInstance().log(LOG_CLASS_BUSI, LOG_LEVEL_ERROR, _T("{Cell}: 节点[%s]解析失败, '%s'错误"), CELL_NAME_SOCKET, Data);

	return false;
}